Modesto, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Modesto, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
155AQILowest AQI recorded on
17th Aug 2024
19AQISame Day Analysis (8th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Modesto, California, United States
AQI
Day
Night
.
6 AM8th Aug 2025
8 PM
5 AM9th Aug 2025
Day time
Avg. Highest Time
6PM8th Aug
41AQI
Avg. Lowest Time
7AM8th Aug
21AQI
Night time
Avg. Highest Time
12AM9th Aug
40AQI
Avg. Lowest Time
5AM9th Aug
31AQI
In the last 24 hours,
Modesto's AQI reached its highest point of 41 at 6 PM during the Day, while the lowest point, 21, was recorded at 7 AM during the Day between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Modesto, California, United States
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025276 AMAQI
10th Jul 2025267 AMAQI
10th Jul 2025258 AMAQI
10th Jul 2025259 AMAQI
10th Jul 20252510 AMAQI
10th Jul 20252311 AMAQI
10th Jul 20252912 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025322 PMAQI
10th Jul 2025363 PMAQI
10th Jul 2025354 PMAQI
10th Jul 2025345 PMAQI
10th Jul 2025366 PMAQI
10th Jul 2025307 PMAQI
10th Jul 2025338 PMAQI
10th Jul 2025509 PMAQI
10th Jul 20255010 PMAQI
10th Jul 20255011 PMAQI
11th Jul 20255012 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025432 AMAQI
11th Jul 2025403 AMAQI
11th Jul 2025504 AMAQI
11th Jul 2025445 AMAQI
28°C15/42°C
11th Jul 2025446 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025499 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20255111 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025581 PMAQI
11th Jul 2025522 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025556 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025538 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025532 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025514 AMAQI
12th Jul 2025515 AMAQI
31°C19/45°C
12th Jul 2025536 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025538 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20256010 AMAQI
12th Jul 20255911 AMAQI
12th Jul 20255912 PMAQI
12th Jul 2025581 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025563 PMAQI
12th Jul 2025564 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025576 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025558 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025532 AMAQI
13th Jul 2025513 AMAQI
13th Jul 2025414 AMAQI
13th Jul 2025345 AMAQI
29°C17/43°C
13th Jul 2025366 AMAQI
13th Jul 2025397 AMAQI
13th Jul 2025398 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025391 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025487 PMAQI
13th Jul 2025418 PMAQI
13th Jul 2025429 PMAQI
13th Jul 20254310 PMAQI
13th Jul 20254111 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025401 AMAQI
14th Jul 2025392 AMAQI
14th Jul 2025363 AMAQI
14th Jul 2025224 AMAQI
14th Jul 2025205 AMAQI
27°C14/42°C
14th Jul 2025216 AMAQI
14th Jul 2025247 AMAQI
14th Jul 2025248 AMAQI
14th Jul 2025259 AMAQI
14th Jul 20252310 AMAQI
14th Jul 20252611 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025271 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025314 PMAQI
14th Jul 2025355 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20254010 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20253912 AMAQI
15th Jul 2025351 AMAQI
15th Jul 2025322 AMAQI
15th Jul 2025283 AMAQI
15th Jul 2025164 AMAQI
15th Jul 2025145 AMAQI
28°C14/43°C
15th Jul 2025206 AMAQI
15th Jul 2025277 AMAQI
15th Jul 2025308 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252810 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025251 PMAQI
15th Jul 2025272 PMAQI
15th Jul 2025293 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025296 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253510 PMAQI
15th Jul 20253411 PMAQI
16th Jul 20253212 AMAQI
16th Jul 2025321 AMAQI
16th Jul 2025312 AMAQI
16th Jul 2025313 AMAQI
16th Jul 2025344 AMAQI
16th Jul 2025345 AMAQI
25°C15/40°C
16th Jul 2025296 AMAQI
16th Jul 2025287 AMAQI
16th Jul 2025268 AMAQI
16th Jul 2025229 AMAQI
16th Jul 20252210 AMAQI
16th Jul 20252011 AMAQI
16th Jul 20251912 PMAQI
16th Jul 2025231 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025273 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025262 AMAQI
17th Jul 2025263 AMAQI
17th Jul 2025204 AMAQI
17th Jul 2025195 AMAQI
23°C13/36°C
17th Jul 2025176 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252111 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025191 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025213 PMAQI
17th Jul 2025234 PMAQI
17th Jul 2025265 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025257 PMAQI
17th Jul 2025278 PMAQI
17th Jul 2025309 PMAQI
17th Jul 20253010 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025204 AMAQI
18th Jul 2025185 AMAQI
24°C13/38°C
18th Jul 2025166 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025238 PMAQI
18th Jul 2025279 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252711 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025272 AMAQI
19th Jul 2025273 AMAQI
19th Jul 2025224 AMAQI
19th Jul 2025225 AMAQI
25°C13/39°C
19th Jul 2025206 AMAQI
19th Jul 2025217 AMAQI
19th Jul 2025208 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252610 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025252 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025194 AMAQI
20th Jul 2025215 AMAQI
24°C13/39°C
20th Jul 2025306 AMAQI
20th Jul 2025277 AMAQI
20th Jul 2025278 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025249 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252812 AMAQI
21st Jul 2025251 AMAQI
21st Jul 2025262 AMAQI
21st Jul 2025303 AMAQI
21st Jul 2025344 AMAQI
21st Jul 2025305 AMAQI
25°C14/39°C
21st Jul 2025326 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253211 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025311 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025283 PMAQI
21st Jul 2025254 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252310 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025201 AMAQI
22nd Jul 2025192 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025184 AMAQI
22nd Jul 2025165 AMAQI
23°C14/35°C
22nd Jul 2025146 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20251510 AMAQI
22nd Jul 20251511 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025151 PMAQI
22nd Jul 2025142 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025154 PMAQI
22nd Jul 2025165 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025163 AMAQI
23rd Jul 2025154 AMAQI
23rd Jul 2025175 AMAQI
21°C12/32°C
23rd Jul 2025226 AMAQI
23rd Jul 2025237 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20251910 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025173 PMAQI
23rd Jul 2025194 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025197 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20251912 AMAQI
24th Jul 2025161 AMAQI
24th Jul 2025162 AMAQI
24th Jul 2025163 AMAQI
24th Jul 2025144 AMAQI
24th Jul 2025145 AMAQI
21°C12/35°C
24th Jul 2025136 AMAQI
24th Jul 2025147 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20252010 AMAQI
24th Jul 20252311 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025171 PMAQI
24th Jul 2025202 PMAQI
24th Jul 2025213 PMAQI
24th Jul 2025224 PMAQI
24th Jul 2025235 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025207 PMAQI
24th Jul 2025218 PMAQI
24th Jul 2025259 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252011 PMAQI
25th Jul 20251812 AMAQI
25th Jul 2025171 AMAQI
25th Jul 2025172 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025184 AMAQI
25th Jul 2025185 AMAQI
22°C13/35°C
25th Jul 2025166 AMAQI
25th Jul 2025167 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025179 AMAQI
25th Jul 20251510 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025172 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025185 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025178 PMAQI
25th Jul 2025179 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251811 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025222 AMAQI
26th Jul 2025193 AMAQI
26th Jul 2025154 AMAQI
26th Jul 2025155 AMAQI
22°C13/36°C
26th Jul 2025166 AMAQI
26th Jul 2025147 AMAQI
26th Jul 2025168 AMAQI
26th Jul 2025149 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20251512 PMAQI
26th Jul 2025131 PMAQI
26th Jul 2025142 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025164 PMAQI
26th Jul 2025155 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025168 PMAQI
26th Jul 2025159 PMAQI
26th Jul 20251610 PMAQI
26th Jul 20251711 PMAQI
27th Jul 20252012 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025172 AMAQI
27th Jul 2025173 AMAQI
27th Jul 2025144 AMAQI
27th Jul 2025165 AMAQI
22°C12/34°C
27th Jul 2025196 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025169 AMAQI
27th Jul 20252110 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20251512 PMAQI
27th Jul 2025151 PMAQI
27th Jul 2025142 PMAQI
27th Jul 2025153 PMAQI
27th Jul 2025154 PMAQI
27th Jul 2025155 PMAQI
27th Jul 2025176 PMAQI
27th Jul 2025177 PMAQI
27th Jul 2025178 PMAQI
27th Jul 2025199 PMAQI
27th Jul 20251910 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025182 AMAQI
28th Jul 2025183 AMAQI
28th Jul 2025164 AMAQI
28th Jul 2025155 AMAQI
22°C12/35°C
28th Jul 2025186 AMAQI
28th Jul 2025197 AMAQI
28th Jul 2025218 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20251911 AMAQI
28th Jul 20252012 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252412 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025222 AMAQI
29th Jul 2025203 AMAQI
29th Jul 2025174 AMAQI
29th Jul 2025165 AMAQI
25°C14/39°C
29th Jul 2025176 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025218 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252611 AMAQI
29th Jul 20252712 PMAQI
29th Jul 2025271 PMAQI
29th Jul 2025272 PMAQI
29th Jul 2025253 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025238 PMAQI
29th Jul 2025219 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252211 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025251 AMAQI
30th Jul 2025252 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025224 AMAQI
30th Jul 2025205 AMAQI
27°C16/40°C
30th Jul 2025246 AMAQI
30th Jul 2025237 AMAQI
30th Jul 2025198 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025293 PMAQI
30th Jul 2025294 PMAQI
30th Jul 2025295 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025298 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20252910 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025314 AMAQI
31st Jul 2025285 AMAQI
25°C13/39°C
31st Jul 2025236 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025339 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20253111 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025441 AMAQI
1st Aug 2025432 AMAQI
1st Aug 2025413 AMAQI
1st Aug 2025384 AMAQI
1st Aug 2025345 AMAQI
25°C14/41°C
1st Aug 2025366 AMAQI
1st Aug 2025307 AMAQI
1st Aug 2025338 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20252811 AMAQI
1st Aug 20252812 PMAQI
1st Aug 2025251 PMAQI
1st Aug 2025272 PMAQI
1st Aug 2025293 PMAQI
1st Aug 2025364 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025377 PMAQI
1st Aug 2025388 PMAQI
1st Aug 2025479 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20253811 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025282 AMAQI
2nd Aug 2025253 AMAQI
2nd Aug 2025274 AMAQI
2nd Aug 2025285 AMAQI
26°C14/40°C
2nd Aug 2025286 AMAQI
2nd Aug 2025307 AMAQI
2nd Aug 2025268 AMAQI
2nd Aug 2025279 AMAQI
2nd Aug 20253010 AMAQI
2nd Aug 20252811 AMAQI
2nd Aug 20252412 PMAQI
2nd Aug 2025231 PMAQI
2nd Aug 2025232 PMAQI
2nd Aug 2025273 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025285 PMAQI
2nd Aug 2025296 PMAQI
2nd Aug 2025307 PMAQI
2nd Aug 2025318 PMAQI
2nd Aug 2025309 PMAQI
2nd Aug 20253210 PMAQI
2nd Aug 20252811 PMAQI
3rd Aug 20252812 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025262 AMAQI
3rd Aug 2025273 AMAQI
3rd Aug 2025254 AMAQI
3rd Aug 2025245 AMAQI
25°C14/39°C
3rd Aug 2025236 AMAQI
3rd Aug 2025247 AMAQI
3rd Aug 2025268 AMAQI
3rd Aug 2025279 AMAQI
3rd Aug 20252910 AMAQI
3rd Aug 20253311 AMAQI
3rd Aug 20253212 PMAQI
3rd Aug 2025311 PMAQI
3rd Aug 2025312 PMAQI
3rd Aug 2025353 PMAQI
3rd Aug 2025334 PMAQI
3rd Aug 2025305 PMAQI
3rd Aug 2025336 PMAQI
3rd Aug 2025307 PMAQI
3rd Aug 2025348 PMAQI
3rd Aug 2025339 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252311 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025262 AMAQI
4th Aug 2025263 AMAQI
4th Aug 2025314 AMAQI
4th Aug 2025315 AMAQI
25°C14/39°C
4th Aug 2025316 AMAQI
4th Aug 2025317 AMAQI
4th Aug 2025338 AMAQI
4th Aug 2025389 AMAQI
4th Aug 20253810 AMAQI
4th Aug 20253911 AMAQI
4th Aug 20253812 PMAQI
4th Aug 2025351 PMAQI
4th Aug 2025372 PMAQI
4th Aug 2025383 PMAQI
4th Aug 2025354 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025306 PMAQI
4th Aug 2025307 PMAQI
4th Aug 2025308 PMAQI
4th Aug 2025309 PMAQI
4th Aug 20252810 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252512 AMAQI
5th Aug 2025251 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025224 AMAQI
5th Aug 2025235 AMAQI
24°C14/37°C
5th Aug 2025226 AMAQI
5th Aug 2025267 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025279 AMAQI
5th Aug 20253010 AMAQI
5th Aug 20252811 AMAQI
5th Aug 20252912 PMAQI
5th Aug 2025321 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025343 PMAQI
5th Aug 2025264 PMAQI
5th Aug 2025265 PMAQI
5th Aug 2025246 PMAQI
5th Aug 2025267 PMAQI
5th Aug 2025248 PMAQI
5th Aug 2025239 PMAQI
5th Aug 20252210 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252612 AMAQI
6th Aug 2025281 AMAQI
6th Aug 2025302 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025304 AMAQI
6th Aug 2025345 AMAQI
24°C14/37°C
6th Aug 2025376 AMAQI
6th Aug 2025347 AMAQI
6th Aug 2025348 AMAQI
6th Aug 2025349 AMAQI
6th Aug 20253310 AMAQI
6th Aug 20253411 AMAQI
6th Aug 20253612 PMAQI
6th Aug 2025401 PMAQI
6th Aug 2025412 PMAQI
6th Aug 2025433 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025415 PMAQI
6th Aug 2025346 PMAQI
6th Aug 2025337 PMAQI
6th Aug 2025348 PMAQI
6th Aug 2025369 PMAQI
6th Aug 20253610 PMAQI
6th Aug 20253011 PMAQI
7th Aug 20253212 AMAQI
7th Aug 2025311 AMAQI
7th Aug 2025332 AMAQI
7th Aug 2025313 AMAQI
7th Aug 2025264 AMAQI
7th Aug 2025225 AMAQI
27°C16/40°C
7th Aug 2025186 AMAQI
7th Aug 2025217 AMAQI
7th Aug 2025258 AMAQI
7th Aug 2025309 AMAQI
7th Aug 20253110 AMAQI
7th Aug 20252811 AMAQI
7th Aug 20252412 PMAQI
7th Aug 2025241 PMAQI
7th Aug 2025302 PMAQI
7th Aug 2025323 PMAQI
7th Aug 2025314 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025286 PMAQI
7th Aug 2025287 PMAQI
7th Aug 2025278 PMAQI
7th Aug 2025249 PMAQI
7th Aug 20252610 PMAQI
7th Aug 20252511 PMAQI
8th Aug 20252612 AMAQI
8th Aug 2025301 AMAQI
8th Aug 2025282 AMAQI
8th Aug 2025263 AMAQI
8th Aug 2025234 AMAQI
8th Aug 2025255 AMAQI
29°C19/41°C
8th Aug 2025226 AMAQI
8th Aug 2025217 AMAQI
8th Aug 2025268 AMAQI
8th Aug 2025329 AMAQI
8th Aug 20253310 AMAQI
8th Aug 20253611 AMAQI
8th Aug 20253612 PMAQI
8th Aug 2025341 PMAQI
8th Aug 2025382 PMAQI
8th Aug 2025403 PMAQI
8th Aug 2025404 PMAQI
8th Aug 2025395 PMAQI
8th Aug 2025416 PMAQI
8th Aug 2025317 PMAQI
8th Aug 2025338 PMAQI
8th Aug 2025379 PMAQI
8th Aug 20253710 PMAQI
8th Aug 20253911 PMAQI
9th Aug 20254012 AMAQI
9th Aug 2025401 AMAQI
9th Aug 2025402 AMAQI
9th Aug 2025403 AMAQI
9th Aug 2025374 AMAQI
9th Aug 2025315 AMAQI
30°C17/43°C
6 AM
1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 6 PM
28AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 8 PM
28AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 28), while the lowest AQI was between 6 AM to 8 PM (Avg. 28).
Night time
Avg. Highest Time
9 PM - 11 PM
30AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM - 5 AM
25AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 30), while the lowest AQI was between 4 AM to 5 AM (Avg. 25).
2025 Days Vs Air Quality
Modesto, California, United States
2025
87%
191
13%
29
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
191 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 221 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Modesto, California, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
82AQI
82AQI
2nd January 2025
63AQI
63AQI
3rd January 2025
65AQI
65AQI
4th January 2025
44AQI
44AQI
5th January 2025
46AQI
46AQI
6th January 2025
51AQI
51AQI
7th January 2025
25AQI
25AQI
8th January 2025
40AQI
40AQI
9th January 2025
72AQI
72AQI
10th January 2025
67AQI
67AQI
11th January 2025
47AQI
47AQI
12th January 2025
26AQI
26AQI
13th January 2025
44AQI
44AQI
14th January 2025
42AQI
42AQI
15th January 2025
58AQI
58AQI
16th January 2025
67AQI
67AQI
17th January 2025
69AQI
69AQI
18th January 2025
56AQI
56AQI
19th January 2025
77AQI
77AQI
20th January 2025
51AQI
51AQI
21st January 2025
57AQI
57AQI
22nd January 2025
59AQI
59AQI
23rd January 2025
72AQI
72AQI
24th January 2025
78AQI
78AQI
25th January 2025
60AQI
60AQI
26th January 2025
35AQI
35AQI
27th January 2025
32AQI
32AQI
28th January 2025
51AQI
51AQI
29th January 2025
61AQI
61AQI
30th January 2025
52AQI
52AQI
31st January 2025
64AQI
64AQI
1st February 2025
68AQI
68AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
21AQI
21AQI
4th February 2025
23AQI
23AQI
5th February 2025
25AQI
25AQI
6th February 2025
33AQI
33AQI
7th February 2025
25AQI
25AQI
8th February 2025
24AQI
24AQI
9th February 2025
24AQI
24AQI
10th February 2025
27AQI
27AQI
11th February 2025
29AQI
29AQI
12th February 2025
28AQI
28AQI
13th February 2025
26AQI
26AQI
14th February 2025
27AQI
27AQI
15th February 2025
31AQI
31AQI
16th February 2025
46AQI
46AQI
17th February 2025
32AQI
32AQI
18th February 2025
25AQI
25AQI
19th February 2025
34AQI
34AQI
20th February 2025
29AQI
29AQI
21st February 2025
43AQI
43AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
51AQI
51AQI
24th February 2025
36AQI
36AQI
25th February 2025
26AQI
26AQI
26th February 2025
37AQI
37AQI
27th February 2025
53AQI
53AQI
28th February 2025
51AQI
51AQI
1st March 2025
45AQI
45AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
25AQI
25AQI
4th March 2025
25AQI
25AQI
5th March 2025
24AQI
24AQI
6th March 2025
26AQI
26AQI
7th March 2025
27AQI
27AQI
8th March 2025
35AQI
35AQI
9th March 2025
40AQI
40AQI
10th March 2025
33AQI
33AQI
11th March 2025
32AQI
32AQI
12th March 2025
30AQI
30AQI
13th March 2025
22AQI
22AQI
14th March 2025
23AQI
23AQI
15th March 2025
39AQI
39AQI
16th March 2025
42AQI
42AQI
17th March 2025
23AQI
23AQI
18th March 2025
17AQI
17AQI
19th March 2025
25AQI
25AQI
20th March 2025
18AQI
18AQI
21st March 2025
23AQI
23AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
24AQI
24AQI
24th March 2025
28AQI
28AQI
25th March 2025
45AQI
45AQI
26th March 2025
34AQI
34AQI
27th March 2025
26AQI
26AQI
28th March 2025
24AQI
24AQI
29th March 2025
21AQI
21AQI
30th March 2025
24AQI
24AQI
31st March 2025
22AQI
22AQI
1st April 2025
18AQI
18AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
28AQI
28AQI
4th April 2025
20AQI
20AQI
5th April 2025
22AQI
22AQI
6th April 2025
29AQI
29AQI
7th April 2025
17AQI
17AQI
8th April 2025
18AQI
18AQI
9th April 2025
25AQI
25AQI
10th April 2025
31AQI
31AQI
11th April 2025
19AQI
19AQI
12th April 2025
29AQI
29AQI
13th April 2025
32AQI
32AQI
14th April 2025
32AQI
32AQI
15th April 2025
37AQI
37AQI
16th April 2025
38AQI
38AQI
17th April 2025
30AQI
30AQI
18th April 2025
32AQI
32AQI
19th April 2025
37AQI
37AQI
20th April 2025
34AQI
34AQI
21st April 2025
31AQI
31AQI
22nd April 2025
38AQI
38AQI
23rd April 2025
43AQI
43AQI
24th April 2025
40AQI
40AQI
25th April 2025
29AQI
29AQI
26th April 2025
17AQI
17AQI
27th April 2025
22AQI
22AQI
28th April 2025
31AQI
31AQI
29th April 2025
40AQI
40AQI
30th April 2025
47AQI
47AQI
1st May 2025
45AQI
45AQI
2nd May 2025
36AQI
36AQI
3rd May 2025
20AQI
20AQI
4th May 2025
32AQI
32AQI
5th May 2025
33AQI
33AQI
6th May 2025
33AQI
33AQI
7th May 2025
52AQI
52AQI
8th May 2025
49AQI
49AQI
9th May 2025
36AQI
36AQI
10th May 2025
29AQI
29AQI
11th May 2025
23AQI
23AQI
12th May 2025
20AQI
20AQI
13th May 2025
18AQI
18AQI
14th May 2025
25AQI
25AQI
15th May 2025
35AQI
35AQI
16th May 2025
33AQI
33AQI
17th May 2025
34AQI
34AQI
18th May 2025
27AQI
27AQI
19th May 2025
32AQI
32AQI
20th May 2025
22AQI
22AQI
21st May 2025
35AQI
35AQI
22nd May 2025
34AQI
34AQI
23rd May 2025
26AQI
26AQI
24th May 2025
31AQI
31AQI
25th May 2025
23AQI
23AQI
26th May 2025
17AQI
17AQI
27th May 2025
27AQI
27AQI
28th May 2025
35AQI
35AQI
29th May 2025
22AQI
22AQI
30th May 2025
35AQI
35AQI
31st May 2025
39AQI
39AQI
1st June 2025
35AQI
35AQI
2nd June 2025
51AQI
51AQI
3rd June 2025
38AQI
38AQI
4th June 2025
45AQI
45AQI
5th June 2025
45AQI
45AQI
6th June 2025
26AQI
26AQI
7th June 2025
30AQI
30AQI
8th June 2025
25AQI
25AQI
9th June 2025
26AQI
26AQI
10th June 2025
29AQI
29AQI
11th June 2025
46AQI
46AQI
12th June 2025
48AQI
48AQI
13th June 2025
38AQI
38AQI
14th June 2025
34AQI
34AQI
15th June 2025
37AQI
37AQI
16th June 2025
40AQI
40AQI
17th June 2025
32AQI
32AQI
18th June 2025
39AQI
39AQI
19th June 2025
40AQI
40AQI
20th June 2025
39AQI
39AQI
21st June 2025
31AQI
31AQI
22nd June 2025
28AQI
28AQI
23rd June 2025
32AQI
32AQI
24th June 2025
26AQI
26AQI
25th June 2025
26AQI
26AQI
26th June 2025
28AQI
28AQI
27th June 2025
35AQI
35AQI
28th June 2025
40AQI
40AQI
29th June 2025
38AQI
38AQI
30th June 2025
33AQI
33AQI
1st July 2025
30AQI
30AQI
2nd July 2025
34AQI
34AQI
3rd July 2025
40AQI
40AQI
4th July 2025
31AQI
31AQI
5th July 2025
45AQI
45AQI
6th July 2025
33AQI
33AQI
7th July 2025
35AQI
35AQI
8th July 2025
26AQI
26AQI
9th July 2025
21AQI
21AQI
10th July 2025
31AQI
31AQI
11th July 2025
51AQI
51AQI
12th July 2025
55AQI
55AQI
13th July 2025
43AQI
43AQI
14th July 2025
32AQI
32AQI
15th July 2025
28AQI
28AQI
16th July 2025
29AQI
29AQI
17th July 2025
24AQI
24AQI
18th July 2025
23AQI
23AQI
19th July 2025
26AQI
26AQI
20th July 2025
25AQI
25AQI
21st July 2025
28AQI
28AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
19AQI
19AQI
24th July 2025
19AQI
19AQI
25th July 2025
17AQI
17AQI
26th July 2025
16AQI
16AQI
27th July 2025
17AQI
17AQI
28th July 2025
21AQI
21AQI
29th July 2025
22AQI
22AQI
30th July 2025
26AQI
26AQI
31st July 2025
32AQI
32AQI
1st August 2025
37AQI
37AQI
2nd August 2025
28AQI
28AQI
3rd August 2025
28AQI
28AQI
4th August 2025
31AQI
31AQI
5th August 2025
26AQI
26AQI
6th August 2025
34AQI
34AQI
7th August 2025
28AQI
28AQI
8th August 2025
27AQI
27AQI
55AQI
34AQI
28AQI
30AQI
31AQI
35AQI
29AQI
30AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
10
21
24
4
31
30
30
1
29
1
29
2
8
191
29
Highest AQI recorded in
January55AQI
Lowest AQI recorded in
March28AQI
202441AQI
24
7
25
4
31
30
31
24
6
20
11
27
4
14
2
22
9
23
7
13
17
1
284
67
1
Highest AQI recorded in
December61AQI
Lowest AQI recorded in
March30AQI
202368AQI
15
9
1
6
13
14
1
31
27
1
31
22
1
1
6
21
10
25
6
20
8
1
1
15
8
1
7
13
16
12
15
4
245
88
7
3
19
Highest AQI recorded in
October141AQI
Lowest AQI recorded in
March32AQI
202252AQI
1
24
5
6
16
26
5
15
3
24
7
27
3
20
1
2
1
22
8
19
12
14
13
3
15
15
1
191
108
9
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
July39AQI
202155AQI
8
19
3
17
10
1
24
7
25
5
25
6
25
5
20
11
6
17
7
1
9
21
15
14
2
7
20
3
15
14
2
196
149
18
1
Highest AQI recorded in
August76AQI
Lowest AQI recorded in
June40AQI
202056AQI
13
20
18
30
29
2
17
7
4
3
7
12
6
4
1
5
22
1
3
9
20
1
8
21
2
156
84
14
10
1
Highest AQI recorded in
September95AQI
Lowest AQI recorded in
May28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
68AQILeast Polluted Year Recorded
2025(Avg.)
34AQIModesto's annual 2025 AQI (34) shows an average percentage change of -34.6% (improved AQI) compared to previous years: 2020 (56), 2021 (55), 2022 (52), 2023 (68), 2024 (41).
